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  • K & N

K & N Custom Air Filter Assembly - RK-3929

  • Part #: 183725
  • Manufacturer Part #: RK-3929
  • MSRP Price: $474.95
  • Our Price: $289.98
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183725
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Overview of K & N Custom Air Filter Assembly - RK-3929

  • Large-capacity design; 2 3/8 in. tall compared to the standard 1 3/4 in found on the original Twin Cam Filter Kit, DK part no. 304747
  • Boosts performance, service intervals and filtration
  • Designed for Big Inch Performance Motors that require more air
  • Features a K&N High-Flow air filter, a powder-coated billet aluminum backplate that eliminates external breathers, a built-in, dyno-tuned velocity stack
  • Maintains factory appearance, utilizes stock air cleaner outer cover
  • Filter is pre-oiled


  • Included Items:
    (1) Filter Element
    (1) Back Plate
    (1) Spacer Cushion Assy. LH
    (1) Spacer Cushion Assy. RH
    (1) Velocity Stack
    (2) Breather Bolt Extension
    (3) Screws
    (8) Bolts
    (4) Spacers
    (4) Washers
    (1) Grommet
    (1) Vent
    (1) Loctite

    Note:
    Chrome air filter cover is not included, use stock cover


Specs

Type Air Cleaner
Units Each
Weight 4.15 lbs

Specs for K & N Custom Air Filter Assembly - RK-3929

Type Air Cleaner
Units Each
Weight 4.15 lbs

Fitment for K & N Custom Air Filter Assembly - RK-3929

Part 183725 fits the following machines

See if this part fits your ride

Harley-Davidson
2008 Harley-Davidson Sportster (EFI) - XL 883
2007 Harley-Davidson Sportster (EFI) - XL 883
2007 Harley-Davidson Sportster (EFI) - XL 883R
2006 Harley-Davidson Sportster - XL 883
2005 Harley-Davidson Sportster - XL 883
2004 Harley-Davidson Sportster - XL 883
2006 Harley-Davidson Sportster - XL 883R
2005 Harley-Davidson Sportster - XL 883R
2008 Harley-Davidson Sportster Custom (EFI) - XL 1200C
2007 Harley-Davidson Sportster Custom (EFI) - XL 1200C
2008 Harley-Davidson Sportster Custom (EFI) - XL 883C
2007 Harley-Davidson Sportster Custom (EFI) - XL 883C
2014 Harley-Davidson Sportster Custom - XL 1200C
2013 Harley-Davidson Sportster Custom - XL 1200C
2012 Harley-Davidson Sportster Custom - XL 1200C
2011 Harley-Davidson Sportster Custom - XL 1200C
2010 Harley-Davidson Sportster Custom - XL 1200C
2009 Harley-Davidson Sportster Custom - XL 1200C
2006 Harley-Davidson Sportster Custom - XL 1200C
2005 Harley-Davidson Sportster Custom - XL 1200C
2004 Harley-Davidson Sportster Custom - XL 1200C
2009 Harley-Davidson Sportster Custom - XL 883C
2006 Harley-Davidson Sportster Custom - XL 883C
2005 Harley-Davidson Sportster Custom - XL 883C
2004 Harley-Davidson Sportster Custom - XL 883C
2014 Harley-Davidson Sportster Forty-Eight - XL 1200X
2013 Harley-Davidson Sportster Forty-Eight - XL 1200X
2012 Harley-Davidson Sportster Forty-Eight - XL 1200X
2011 Harley-Davidson Sportster Forty-Eight - XL 1200X
2010 Harley-Davidson Sportster Forty-Eight - XL 1200X
2014 Harley-Davidson Sportster Iron - XL 883N
2013 Harley-Davidson Sportster Iron - XL 883N
2012 Harley-Davidson Sportster Iron - XL 883N
2011 Harley-Davidson Sportster Iron - XL 883N
2010 Harley-Davidson Sportster Iron - XL 883N
2009 Harley-Davidson Sportster Iron - XL 883N
2008 Harley-Davidson Sportster Low (EFI) - XL 1200L
2007 Harley-Davidson Sportster Low (EFI) - XL 1200L
2008 Harley-Davidson Sportster Low (EFI) - XL 883L
2007 Harley-Davidson Sportster Low (EFI) - XL 883L
2011 Harley-Davidson Sportster Low - XL 1200L
2010 Harley-Davidson Sportster Low - XL 1200L
2009 Harley-Davidson Sportster Low - XL 1200L
2006 Harley-Davidson Sportster Low - XL 1200L
2010 Harley-Davidson Sportster Low - XL 883L
2009 Harley-Davidson Sportster Low - XL 883L
2006 Harley-Davidson Sportster Low - XL 883L
2005 Harley-Davidson Sportster Low - XL 883L
2008 Harley-Davidson Sportster Nightster (EFI) - XL 1200N
2007 Harley-Davidson Sportster Nightster (EFI) - XL 1200N
2012 Harley-Davidson Sportster Nightster - XL 1200N
2011 Harley-Davidson Sportster Nightster - XL 1200N
2010 Harley-Davidson Sportster Nightster - XL 1200N
2009 Harley-Davidson Sportster Nightster - XL 1200N
2008 Harley-Davidson Sportster Roadster (EFI) - XL 1200R
2007 Harley-Davidson Sportster Roadster (EFI) - XL 1200R
2006 Harley-Davidson Sportster Roadster - XL 1200R
2005 Harley-Davidson Sportster Roadster - XL 1200R
2004 Harley-Davidson Sportster Roadster - XL 1200R
2014 Harley-Davidson Sportster Seventy Two - XL 1200V
2013 Harley-Davidson Sportster Seventy Two - XL 1200V
2012 Harley-Davidson Sportster Seventy Two - XL 1200V
2014 Harley-Davidson Sportster Superlow - XL 1200T
2014 Harley-Davidson Sportster Superlow - XL 883L
2013 Harley-Davidson Sportster Superlow - XL 883L
2012 Harley-Davidson Sportster Superlow - XL 883L
2011 Harley-Davidson Sportster Superlow - XL 883L

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Instructions and Media for K & N Custom Air Filter Assembly - RK-3929

Instructions - PDF Instructions - PDF Instructional PDF
Owners Manual - PDF Owners Manual - PDF Manual PDF